447497 has 4 divisors (see below), whose sum is σ = 448836. Its totient is φ = 446160.

The previous prime is 447481. The next prime is 447509. The reversal of 447497 is 794744.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 414736 + 32761 = 644^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 447497 - 2⁴ = 447481 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (447427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (112209).

2⁴⁴⁷⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

447497 is a deficient number, since it is larger than the sum of its proper divisors (1339).

447497 is an equidigital number, since it uses as much as digits as its factorization.

447497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338.

The product of its digits is 28224, while the sum is 35.

The square root of 447497 is about 668.9521657039. The cubic root of 447497 is about 76.4885995514.

The spelling of 447497 in words is "four hundred forty-seven thousand, four hundred ninety-seven".